nitrite /'naitrait/ noun [U, C] (chemistry 4k) a compound containing nitrogen and oxygen. There are several different nitrites.

ni tro gen /'naitrad3an/ noun [U] (symb N) a chemical element. Nitrogen is a gas that is found in large quantities in the earth’s atmosphere. M.;  ► ni-tro-

gen-ous /nai'trnd3anas; NAmE -'tra:d3-/ adj.

'nitrogen cycle noun [C, U] the processes by which nitrogen is passed from one part of the environment to another, for example when plants decay   ( ##

.nitrogen di'oxide noun [U] (chemistry 4k) a brown poisonous gas. Nitrogen dioxide is formed when some metals are dissolved in nitric acid. ZlM.ikM. nitroglycerine /.naitrau'glisariin; -rm; NAmE ,nai- trou'glisaran/ (especially BrE) (also nitn gly cerin /-rm; NAmE -ran/ especially in NAmE) noun [U] a powerful liquid explosive fifHk'Ji'fi

ni trous oxide /.naitras ‘Dksaid; NAmE 'a:k-/ (also informal laughing gas) noun [U] a gas used especially in the past by dentists to prevent you from feeling pain

mtmm, %%:(\

the nitty-gritty /.nrti 'gnti/ noun [sing.] (informal) the basic or most important details of an issue or a situ­ation A 3^ ^; jr Jg £0 ^ : Time ran out before we could get down to the real nitty-gritty. $fc4l]

nit-wit /'nitwit/ noun (informal) a stupid person

nix /mks/ verb, noun

m verb [VN] {NAmE, informal) to prevent sth from hap­pening by saying ‘no’ to it PJ.it; m noun [U] {NAmE, informal) nothing ft ;

NLP/.enel'pi:/ abbr. 1 neurolinguistic programming

2 NATURAL LANGUAGE PROCESSING No. abbr. 1 (also no.) {pi. Nos, nos) number ^5^: Room No. 145 * 145 -£§*       |a] 2 {NAmE) north; northern iCfl

( ift ) ;      ( itt )

no Ow /nau; NAmEnou/ exclamation, det., adv., noun m exclamation 1 used to give a negative reply or state­ment ( ) A;  AJi: Just

say yes or no. R/gi# “Ji” b% “AJi” „ o ‘Are you ready?’‘No, I’m not.’

£f0 ” o Sorry, the answer’s no.  0

‘Another drink?’ ‘No, thanks.’ “#A—#? ” “AUT, itfiJR ” 0 It’s about 70—no, I’m wrong—80 kilometres

from Rome.       70    A,    M 80

Mo O No! Don’t touch it! It’s hot. #ij! MU'k:! o ‘It was Tony,’ ‘No, you’re wrong. It was Ted.’ “ fkff, /Bo ”      4ftltt7, ftWW.o . ” 0‘It’s not very good,

is it?’ ‘No, you’re right, it isn’t (= I agree).’ ,

41 BE? ” “ifci&UM, &AA£?o ” 2 used to express shock or surprise at what sb has said (

) A, 71c: ‘She’s had an accident.’ ‘Oh, no!’ “iMTI/'K ” “&&>&%'. ” O‘I’m leaving!’‘No!’ “$cicfi7! ”          ” FTTH not take no for an

answer to refuse to accept that sb does not want sth, will not do sth, etc. # it A ^ ^      ) : You’re

coming and I won’t take no for an answer! 4ft—® left, 7ftA74f! — more at yes exclam, mdet. 1 not one; not any; not a JtW; ft : No student is to leave the room. # A — # 7 ift JF ji JH b] 0 0 There were no letters this morning. 7AAJ:^i^4ti4ir&7o 0 There’s no bread left. —    <> No two days

are the same. — ft—7#0 — see also no one 2 used, for example on notices, to say that sth is not allowed 7?£; ^lt: No smoking!       3 there’s ~ doing

sth used to say that it is impossible to do sth pf ft ( 4$^^ ) : There’s no telling what will happen next.

„      4 used to express the

opposite of what is mentioned (    ) 7

41, 77: She’s no fool (= she’s intelligent). jffe774lL o It was no easy matter (= it was difficult),       7

[1] adv. used before adjectives and adverbs to mean ‘not’

( fcg not m A,    M n BU ) 7: She’s feeling

no better this morning. M4'A-f-i!liE4!7JJLfto 0 Reply by no later than 21 July, if J 7 R 21 0 mnoun {pi. noes /neuz; NAmE nouz/) 1 an answer that shows you do not agree with an idea, a statement, etc.; a person who says ‘no’

Can’t you give me a straight yes or no? ,4! ”        41

O When we

took a vote there were nine yesses and 3 noes.

^TAA^I^, HA/xifo 0 I’ll put you down as a no. ^ 4ft 4i S. 7 o 2 the noes [pi.] the total number of people voting ‘no’ in a formal debate, for example in a parliament ( EffM )  : The noes

have it (= more people have voted against sth than for it).        EEJayes

Noah’s ark/.nauaz 'a:k; NAmE ,nou0z ’a:rk/ noun = ark nob /nob; NAmE na:b/ noun {old-fashioned, BrE, informal) a person who has a high social position; a member of the upper class 4±^ife4vit5f$A; ±MA±; AA$I , no-' ball noun (in cricket 4S£fc) a ball that is bowled {= thrown) in a way that is not allowed and which means that a run (= a point) is given to the other team

nob ble /'nobl; NAmE 'na:bl/ verb [VN] {BrE, informal) 1 to prevent a horse from winning a race, for example by giving it drugs ffi.it ( 2 to persuade sb to do

what you want, especially illegally, by offering them money Ail: his attempts to nobble the jury 4tfe4J,ijj( A 3 to prevent sb from achieving what they want ffi$s; 4£i!5?:4^£fr Bud thwart 4 to catch sb or get their attention, especially when they are unwilling (        ) M4A        : He was

nobbled by the press who wanted details of the affair, iff

► nobbling

noun [U]

no bel-ium /nau'biiliam; -'bel-; NAmE nou-/ noun [U] {symb No) a chemical element. Nobelium is a radio­active metal that does not exist naturally and is produced from curium. ^ )

Nobel Prize /nau.bel 'praiz; NAmE nou-/ noun one of six international prizes given each year for excellent work in physics, chemistry, medicine, literature, eco­nomics and work towards world peace no bil ity /nau'bilati; NAmE nou-/ noun 1 the nobility [sing.+sing./pl. k] people of high social position who have titles such as that of duke or duchess if HT1 the aristocracy 2 [U] (formal) the quality of being noble in character ifi jf M noble /'naubl; NAmE 'noubl/ adj., noun a adj. (no bler/'naubl0(r); NAmE 'nou-/, nob lest /'naublist; NAmE ’nou-/) 1 having fine personal qualities that people admire, such as courage, honesty and care for others HifflftJ; nnpJ^i^i^67: a noble leader #A 0 noble ideals        0 He died for a noble cause. 4tfe

— compare ignoble 2 very impressive in size or quality ^       ; tt M PTd

splendid: a noble building l|4$6ilA4^ 3 belonging to a family of high social rank (= belonging to the nobility) if ^ $); ^         64J H771 aristocratic : a man

of noble birth tB M ftj A ► noblv /’naubli; NAmE 'noubli/ adv.: She bore the disappointment nobly. M4S AM, 4a^Jja4#4SA^o o to be nobly born m noun a person who comes from a family of high social rank; a member of the nobility tb#[i5^;^jA;

,noble 'gas (also i nert 'gas, 'rare gas) noun (chemistry 4k) any of a group of gases that do not react with other chemicals. Argon, helium, krypton and neon are noble gases, ftA4ft; #WA4ft noble-man /'naublman; NAmE ‘noubl-/, noble­woman /'naublwuman; NAmE 'noubl-/ nouns {pi. -men /-man/, -women /-wimin/) a person from a family of high social rank; a member of the nobility itiHfW A;       Bid aristocrat

.noble 'metal noun (chemistry 4k) a metal, such as gold or silver, which does not react easily with air or acid A £/i ()

,noble 'savage noun a word used in the past to refer in a positive way to a person or people who did not live in